PSA 7.5" 300 Blackout 1:8 Phosphate 7" Lightweight M-Lok Upper With BCG & CH

Barrel: 7.5" Chambered in 300AAC Blackout, with a 1:8 twist rate, M4 barrel extension, and a pistol length gas system. This phosphate barrel is finished off with a PSA 7" Lightweight M-Lok free-float rail, .750" diameter low profile gas block, and an A2 flash hider.
Upper: Forged 7075-T6 A3 AR upper is made to MIL-SPECS and hard coat anodized black for durability. These uppers are made for us right here in the USA by a mil-spec manufacturer.
Bolt: Bolt is made of Mil-spec shot-peened Carpenter 158 steel. Gas key is secured with grade 8 fasteners and staked per mil-spec. Bolt carrier is parkerized outside, and chrome lined inside.#html-body [data-pb-style="62DF8287AEB79"]{justify-content: flex-start; display: flex; flex-direction: column; background-position: left top; background-size: cover; background-repeat: no-repeat; background-attachment: scroll; border-style: none; border-width: 1px; border-radius: 0px; margin: 0px 0px 10px; padding: 10px;}#html-body [data-pb-style="62DF8287AEB85"]{border-style: none; border-width: 1px; border-radius: 0px; margin: 0px; padding: 0px;}